John Visser

952 total citations · 1 hit paper
28 papers, 784 citations indexed

About

John Visser is a scholar working on Ecology, Evolution, Behavior and Systematics, Ecology and Genetics. According to data from OpenAlex, John Visser has authored 28 papers receiving a total of 784 indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Ecology, Evolution, Behavior and Systematics, 5 papers in Ecology and 5 papers in Genetics. Recurrent topics in John Visser's work include Amphibian and Reptile Biology (5 papers), Geology and Paleoclimatology Research (3 papers) and Wildlife Ecology and Conservation (3 papers). John Visser is often cited by papers focused on Amphibian and Reptile Biology (5 papers), Geology and Paleoclimatology Research (3 papers) and Wildlife Ecology and Conservation (3 papers). John Visser collaborates with scholars based in South Africa, Canada and United States. John Visser's co-authors include James M. Wood, Richard Thomas, Emlyn H. Koster, Derald G. Smith, María Sierra, Nieves López-Martı́nez, Remmert Daams, A.J. van der Meulen, Carmen Sesé and John W. Williams and has published in prestigious journals such as Biochemistry, Palaeogeography Palaeoclimatology Palaeoecology and Copeia.

In The Last Decade

John Visser

26 papers receiving 710 citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Inclined heterolithic stratification—Terminology, description, interpretation and significance

1987 511 citations Richard Thomas, Derald G. Smith et al. Sedimentary Geology profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
John Visser South Africa	9	483	321	229	207	154	28	784
Robert G. Young Canada	13	204 0.4×	133 0.4×	100 0.4×	159 0.8×	138 0.9×	53	596
A. J. Erickson United States	7	214 0.4×	352 1.1×	170 0.7×	147 0.7×	55 0.4×	14	977
W. Sissingh Netherlands	12	211 0.4×	392 1.2×	341 1.5×	92 0.4×	96 0.6×	16	955
D.A. Falvey Australia	16	304 0.6×	206 0.6×	156 0.7×	60 0.3×	183 1.2×	30	1.4k
María Antonieta Lorente Venezuela	9	147 0.3×	196 0.6×	300 1.3×	116 0.6×	82 0.5×	17	891
Javier Guerrero Colombia	9	191 0.4×	351 1.1×	420 1.8×	164 0.8×	99 0.6×	22	1.1k
Gustavo Sarmiento Colombia	8	142 0.3×	310 1.0×	351 1.5×	147 0.7×	91 0.6×	19	980
Jeffrey D. Stilwell Australia	19	160 0.3×	448 1.4×	739 3.2×	208 1.0×	95 0.6×	81	1.3k
R. Crossley Malawi	10	152 0.3×	155 0.5×	54 0.2×	181 0.9×	63 0.4×	23	612
R. M. C. Eagar United Kingdom	15	192 0.4×	182 0.6×	249 1.1×	105 0.5×	44 0.3×	32	564

Countries citing papers authored by John Visser

Since Specialization

Citations

This map shows the geographic impact of John Visser's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by John Visser with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John Visser more than expected).

Fields of papers citing papers by John Visser

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John Visser. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by John Visser. The network helps show where John Visser may publish in the future.

Co-authorship network of co-authors of John Visser

This figure shows the co-authorship network connecting the top 25 collaborators of John Visser. A scholar is included among the top collaborators of John Visser based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with John Visser. John Visser is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

1.

Visser, John, et al.. (2023). Lite Optimisation and Recommender Systems for Maintenance Inventory Management. 1 indexed citations

2.

Visser, John, et al.. (2013). Revalidation of Pyxicephalus angusticeps Parry, 1982 (Anura: Natatanura: Pyxicephalidae), a bullfrog endemic to the lowlands of eastern Africa. Zootaxa. 3599(3). 201–28. 5 indexed citations

3.

Wilson, Michael C., et al.. (2011). Microblade Cores from the Northwestern Plains at High River, Alberta, Canada. Plains Anthropologist. 56(217). 23–36. 8 indexed citations

4.

Lawton, Don C., et al.. (2005). 3D Structural Interpretation of the Eagle Butte Impact Structure, Alberta, Canada. LPI. 94(2). 2355–21. 2 indexed citations

5.

Sierra, María, Remmert Daams, Nieves López-Martı́nez, et al.. (1990). Palaeontology and biostratigraphy (micromammals) of the continental Oligocene-Miocene deposits of the North-Central Ebro Basin (Huesca, Spain). Scripta geologica. 94. 1–77. 40 indexed citations

6.

Thomas, Richard, et al.. (1987). Inclined heterolithic stratification—Terminology, description, interpretation and significance. Sedimentary Geology. 53(1-2). 123–179. 511 indexed citations breakdown →

7.

Visser, John, et al.. (1982). The histology of dermal glands of matingBrevicepswith comments on their possible functional value in microhylids (Amphibia: Anura). South African Journal of Zoology. 17(1). 24–27. 8 indexed citations

8.

Visser, John. (1981). TOOTH COUNTS FORDASYPELTIS(SERPENTES: DASYPELTINAE). The Journal of the Herpetological Association of Africa. 25(1). 13–14. 1 indexed citations

9.

Visser, John. (1979). NOTES ON TWO RARE HOUSE SNAKES—PART 2 THE GENERIC STATUS OF LAMPROPHIS FISKII BOULENGER (1887) AND LAMPROPHIS SWAZICUS SCHAEFER (1970). The Journal of the Herpetological Association of Africa. 21(1). 31–37. 1 indexed citations

10.

Visser, John. (1979). NEW AND RECONFIRMED RECORDS FOR THE CAPE PROVINCE WITH NOTES ON SOME “RARE” SPECIES (SAURIA, SERPENTES AND ANURA). The Journal of the Herpetological Association of Africa. 21(1). 40–50. 9 indexed citations

11.

Visser, John. (1978). NOTES ON TWO RARE HOUSE SNAKES—1. The Journal of the Herpetological Association of Africa. 19(1). 10–13. 2 indexed citations

12.

Visser, John. (1978). Snakes and snakebite. 29 indexed citations

13.

Visser, John. (1975). Oviparity in Two South African Skinks of the Genus Mabuya, With Notes on Hatching. Zoologica Africana. 10(2). 215–217. 7 indexed citations

14.

Visser, John, Richard C. Deonier, E. T. Adams, & John W. Williams. (1972). Self-association of β-lactoglobulin B in acid solution and its variation with temperature. Biochemistry. 11(14). 2634–2643. 18 indexed citations

15.

Visser, John. (1971). UNUSUALLY LARGE SKAAPSTEKER EGGS FROM THE CAPE PENINSULA. The Journal of the Herpetological Association of Africa. 7(1). 9–10. 2 indexed citations

16.

Visser, John. (1967). Color Varieties, Brood Size, and Food of South African Pelamis platurus (Ophidia: Hydrophiidae). Copeia. 1967(1). 219–219. 3 indexed citations

17.

Minton, Sherman A. & John Visser. (1967). Poisonous Snakes of Southern Africa and the Treatment of Snakebite. Copeia. 1967(2). 498–498. 6 indexed citations

18.

Visser, John. (1967). First Report of Ovoviviparity in a Southern African Amphisbaenid, Monopeltis C. Capensis. Zoologica Africana. 3(1). 111–113. 4 indexed citations

19.

Visser, John. (1967). FIELD WORK IN THE SOUTHWESTERN CAPE. The Journal of the Herpetological Association of Africa. 3(1). 9–12. 1 indexed citations

20.

Visser, John. (1966). Colour Change in Leptotyphlops Scutifrons (Peters) and Notes on its Defensive Behaviour. Zoologica Africana. 2(1). 123–125. 3 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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